Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) (-) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (2) Sample Type (-) Blood (2) Fluid (1) Hair (1) Liquid (2) Nails (1) RBCs (2) Serum or Plasma (2) Urine (1) Test Area Exposure (2) Test Category Metals/Elements (2) Test Sub-Category Toxic Elements (9) (-) Trace Elements (2) Test Test Name 4180B Selenium, Blood 4844B Zinc, Blood